Possible Clues:

• Rio waterfront next to Copacabana Beach
• Beach of Rio
• Beach area of Rio de Janeiro
• Home of a 'tall and tan and young and lovely' girl
• Rio's Sol __ Hotel
• Rio area that means 'stinky lake' in Tupi
• Rio neighborhood made famous in song
• Beer with strange name in area of Rio
• Rio neighborhood
• Locale in a 1964 hit